“Why Grootbank Offers Lower Interest than Small Players Explained by Spaargids.be”

Do you remember the period when savings accounts were very profitable? That was a long time ago now. Or will those times return? Several Belgian banks have raised savings interest rates in recent months. Even major banks eventually joined in, albeit reluctantly. Why are they not eager to raise savings rates when the ECB interest rate rises? Spaargids.be is looking for the explanation.